Liquid-filled, medium-voltage AR-VFI pad-mounted ...

This specification applies to three-phase, 45–12,000 kVA, 50-60 Hz, dead front or live front, compartmental pad-mount transformers. Primary/secondary feeder overcurrent and differential overcurrent protection shall be accomplished utilizing a 24VDC microprocessor-based differential relay paired with a resettable vacuum fault interrupter (VFI) which shall be provided with three-pole ganged ... ................
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